In what way was the interrupted mating technique used to generate a genetic map in E. coli based on time?
What will be an ideal response?
The interrupted mating technique showed that genes were passed in a linear fashion from the Hfr bacterial strain to an F- strain. By interrupting the mating tube, it could be determined when (in minutes) genes were transferred.
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Amy just gave birth by cesarean section to a beautiful baby girl. All through her pregnancy, her mammary glands enlarged to prepare for milk production
However, in the day or two following the birth of her baby, Amy cannot eject a drop of the milk that is so obviously present in her breasts. What hormone is probably missing? A) oxytocin B) estrogen C) prolactin D) progesterone
When a nucleic acid undergoes hydrolysis, the resulting subunits are:a
fatty acids. b. amino acids. c. nucleotides. d. carotenoids. e. monosaccharides.
The site of exchange of materials between the blood and the body tissues is the ______.
a) arterioles b) veins c) arteries d) capillaries e) venules
Which of the following viruses is responsible for erythema infectiosum?
A) adenoviruses B) human herpesvirus 1 C) varicella D) human herpesvirus 4 E) B19 virus